BE618931A - - Google Patents
Info
- Publication number
- BE618931A BE618931A BE618931DA BE618931A BE 618931 A BE618931 A BE 618931A BE 618931D A BE618931D A BE 618931DA BE 618931 A BE618931 A BE 618931A
- Authority
- BE
- Belgium
- Prior art keywords
- xylene
- distilled
- fraction
- distillation zone
- ortho
- Prior art date
Links
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 62
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 claims description 51
- 238000004821 distillation Methods 0.000 claims description 38
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 36
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 17
- 239000008096 xylene Substances 0.000 claims description 11
- 150000001491 aromatic compounds Chemical class 0.000 claims description 8
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 150000003738 xylenes Chemical class 0.000 claims 7
- 238000000926 separation method Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 14
- 238000009835 boiling Methods 0.000 description 13
- 238000005194 fractionation Methods 0.000 description 13
- 239000000047 product Substances 0.000 description 7
- 125000003118 aryl group Chemical group 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000006317 isomerization reaction Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE618931A true BE618931A (enExample) |
Family
ID=193585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE618931D BE618931A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE618931A (enExample) |
-
0
- BE BE618931D patent/BE618931A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5159765B2 (ja) | パラキシレンの生成方法 | |
| JP5876883B2 (ja) | パラキシレンの製造方法 | |
| EP1861344B1 (fr) | Procede de production combinee de paraxylene et de benzene de productivite amelioree | |
| US3254024A (en) | Process for separating c8-aromatic hydrocarbons by series column distillation | |
| FR2739375A1 (fr) | Production de paraxylene a partir d'un effluent de dismutation paraselective du toluene par un procede de cristallisation associe a une adsorption en lit mobile simule | |
| EP3169654A1 (fr) | Procédé de production de paraxylène comprenant deux unités de séparation en lit mobile simulé et deux unités d'isomérisation dont l'une en phase gaz | |
| CN106715366B (zh) | 使用两个模拟移动床分离单元和两个异构化单元由二甲苯馏分生产高纯度对二甲苯的方法 | |
| KR20160017665A (ko) | 용융 결정화 분리 및 정제 공정 | |
| JP2014501700A (ja) | 精製キシレン異性体の生成のための方法 | |
| JP6378747B2 (ja) | キシレン異性体を含有する少なくとも２つの供給流からパラキシレンを回収するための方法 | |
| FR2795069A1 (fr) | Procede de coproduction et de separation d'ethylbenzene et de paraxylene | |
| US20120048711A1 (en) | Energy Conservation in Heavy-Hydrocabon Distillation | |
| US3522153A (en) | Method of separating xylene isomers by distillation with crystallization and isomerization of a side stream | |
| JP2016512267A5 (enExample) | ||
| JPS6143331B2 (enExample) | ||
| US3700566A (en) | Biphenyl purification process by plural stage fractional distillation | |
| CH409899A (fr) | Procédé pour la séparation de composants d'un mélange d'hydrocarbures aromatiques C8 | |
| EP3428141B1 (fr) | Nouveau schema de production de benzene a partir de reformat sans colonne de toluene | |
| TWI628164B (zh) | 用於芳香族產物製造中之環烷循環之方法及裝置 | |
| TWI868361B (zh) | 從含苯乙烯的原料製備經純化的苯乙烯組成物之方法和裝置 | |
| CN112585106B (zh) | 用于制备高纯度对二甲苯和高纯度甲苯的方法 | |
| FR2777275A1 (fr) | Procede d'isomerisation des composes aromatiques a huit atomes de carbone utilisant un catalyseur contenant une zeolithe de type structural euo | |
| FR2833592A1 (fr) | Procede de coproduction de paraxylene et d'orthoxylene comprenant deux etapes de separation | |
| BE588358A (enExample) | ||
| CH398519A (fr) | Procédé de préparation du paraxyléne |